On Feb 20, 8:00 am, mimus <mimu...@gmail.com> wrote:> In 1969, George Spencer Brown (abbreviated among the cognoscenti as> ?GSB?) published _ Laws of Form _ (abbreviated among the cognoscenti> as ?LoF?), the classic and exhaustive study of the simplest possible> analysis, involving two indexes or indices and transition between> those indices, providing an elegant and powerful calculus for such> analysis; extending it to the corresponding binary arithmetic and> algebra; treating questions both fundamental and advanced about such> analysis, calculus, arithmetic and algebra; and applying that algebra> in Appendix 2 to the binary resolution or analysis of propositional> logical arguments and to set analysis.>> The book has gone through many editions since, and deservedly so.>> On the 4th of this month, GSB celebrated, possibly, his 90th birthday.>> Happy (Late) 90th Birthday, GSB!>> http://www.omath.org.il/Unity-of-mathematics.html>> -->> Someone had to do it.>> < GSB's reason for writing LoF

Duality might be an artifact of our consciousness.

"...the first distinction, the Mark and the observer are not onlyinterchangeable, but, in the form, identical."